33% of men and 23% of women have used online dating websites — while still in an existing relationship.

Answering the phone while having sex? Both men and women are guilty of this, at 17% and 15% respectively.

Here’s one kicker for you: 24% of men and 20% of women don’t use any form of STD protection… which should really concern those in the dating pool, as 24% of men and 13% of women don’t share their STD status with their potential partners.